Page 301 - Catalogue 2015

Sodium acetate anhydrous

Synonym: Acetic acid sodium salt

CAS [127-09-3]; EC 204-823-8; C¿HÀNaO¿; M 82.03

Cat. No. Sodium acetate anhydrous
190205 AR

Appearance White to off-white solid Sulfate (SO4) max. 0.003%
pH (5% in water) 7.0-9.2 Calcium (Ca) max. 0.005%
Assay (T, dry) 99.0-101.0%w/w Magnesium (Mg) max. 0.002%
Water insolubles max. 0.01% Heavy metals (as Pb) max. 0.001%
Loss on drying (120°C) max. 1.0% Iron (Fe) max. 0.001%
Chloride (Cl) max. 0.002%
Phosphate (PO4) max. 0.001%

Cat. No. Sodium acetate anhydrous
190223
Molecular biology
Application:
Widely used in extraction and purification procedures of nucleic acids. Commonly added to DNA
reactions to facilitate ethanol precipitation of the DNA.

Appearance White to off-white solid Heavy metals (as Pb) max. 0.001%
Assay (T, dry) 99-101%w/w Iron (Fe) max. 0.001%
pH (5% in water) 7.0-9.2 Phosphate (PO4) max. 0.001%
Loss on drying (105°C) max. 1% DNase activity Not detected
Water insolubles max. 0.01% RNase activity Not detected
A260nm (0.1M) max. 0.01AU Protease activity Not detected
A280nm (0.1M) max. 0.01AU
Chloride (Cl) max. 0.002%

Cat. No. Sodium acetate anhydrous
190202 CP

Appearance White to slightly gray solid pH (5% in water) 7.5-9.2
Chloride (Cl) max. 0.02% Assay (T, dry) 98-102%w/w
Loss on drying (105°C) max. 1%

Sodium bicarbonate

CAS [144-55-8]; EC 205-633-8; CHNaOÀ; M 84.0

Cat. No. Sodium bicarbonate
192905 AR

Appearance White crystalline powder Iron (Fe) max. 0.001%
Assay (T) 99.7-100.3%w/w Phosphate (PO4) max. 0.001%
Ammonium (NH4) max. 0.0005% Potassium (K) max. 0.005%
Chloride (Cl) max. 0.003% Magnesium (Mg) max. 0.005%
Calcium (Ca) max. 0.02% Sulfate (SO4) max. 0.003%
Heavy metals (as Pb) max. 0.0005% Insoluble matter max. 0.015%